Datasheet

1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
PGND
PGND
PGND
PVIN
PVIN
PVIN
NC NC
AVIN
EN
SW
SW
SS
AGND
FB
EXP
LM2854 Pin-Out www.ti.com
5 LM2854 Pin-Out
Figure 3. LM2854 Pin-Out
Table 1. LM2854 Pin Descriptions
Pin Number Name Description
1 NC No connect. This pin should be tied to ground in the application.
2,3,4 PGND Power ground.
5,6,7 PVIN Power voltage input.
8,9 NC No connect. This pin should be tied to ground in the application.
10 AVIN Analog voltage input.
11 EN Enable input.
12,13 SW Switch node.
14 SS Soft-start pin.
15 AGND Analog ground.
16 FB Voltage feedback pin.
EXP Exposed Pad Exposed pad should be connected to ground.
6
AN-1880 LM2854 1MHz Buck Regulator Demo Board SNVA358B–August 2008–Revised May 2013
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